4|dir1/
4|dir1/file1.txt
4|dir1/file2.txt
4|dir1/file3.txt
4|dir1/file4.txt
4|dir1/subdir1/
4|dir1/subdir1/file1.txt
4|dir1/subdir1/file2.txt
4|dir1/subdir1/file3.txt
4|dir4/file1.txt
